﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NullableTypes
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = 5;
            Nullable<int> b = null;
            int? c = null;
            
        }
    }

    
}
